/give @p diamond_chestplate{Enchantments:[{id:protection,lvl:1000}]} /give @p diamond_helmet{Enchantments:[{id:protection,lvl:1000}]} /give @p diamond_leggings{Enchantments:[{id:protection,lvl:1000}]} /give @p diamond_boots{Enchantments:[{id:protection,lvl:1000}]}
It can lag a lot
